fossil

Từ điển Oxford Advanced Learner 8th

fos·sil [fossil fossils] BrE [ˈfɒsl] NAmE [ˈfɑːsl] noun
1. the remains of an animal or a plant which have become hard and turned into rock
•fossils over two million years old
2. (informal, disapproving)an old person, especially one who is unable to accept new ideas or adapt to changes

Word Origin:
mid 16th cent. (denoting a fossilized fish found, and believed to have lived, underground): from French fossile, from Latin fossilis ‘dug up’, from fodere ‘dig’.

• Từ đồng nghĩa / Synonyms:
  dodo, fogy, fogey